//
// Created by grainlee on 16/9/22.
//
#include <iostream>
#include <vector>
using namespace std;

int main(){
    int n,a,b;
    vector<int> hps;
    cin >> n >> a >> b;
    for (int i = 0 ;i < n ; i++){
        int tmp;
        cin >> tmp;
        hps.push_back(tmp);
    }
    for (int i = 0 ;i < n ; i++){
        cout <<  hps[i];
    }
}